SU433325A1 - METHOD OF SHIPTING. TILES FROM TIRES " - Google Patents
METHOD OF SHIPTING. TILES FROM TIRES "Info
- Publication number
- SU433325A1 SU433325A1 SU1684193A SU1684193A SU433325A1 SU 433325 A1 SU433325 A1 SU 433325A1 SU 1684193 A SU1684193 A SU 1684193A SU 1684193 A SU1684193 A SU 1684193A SU 433325 A1 SU433325 A1 SU 433325A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- products
- clay
- product
- shipting
- tiles
- Prior art date
Links
Landscapes
- Treatment Of Fiber Materials (AREA)
- Drying Of Solid Materials (AREA)
Description
Изобретение касаетс сужки изделий из глин перед их обжшюм.This invention relates to the dressings of clay products before their production.
Известны способы сушки изделий из глин с помощью гор чего газообразного агента - воздуха или дымовых газов.Methods are known for drying clay products using a hot gaseous agent — air or flue gases.
Однако дл этих способов характерны значительна продолжительность и болыше потери из-за растрескивани изделий в период усадки.However, these methods are characterized by considerable duration and greater losses due to cracking of products during the shrinkage period.
Цель изобретени - жнтенсифащтровать процесс сушки и исключить образование трещин в издели х.The purpose of the invention is to dry out the drying process and eliminate the formation of cracks in the products.
Это достигаетс тем, что в период усадки через изделие про пускают электрический ток, и измевдют направление тока через пнриоды времени, не превышающие полного периода пол ризации ОдновремеН но издели обдувают теплоносителем с температурой не выше 100 С при относительной его влажности не менее 30%. Во врем сушки издеЛИЙ из глжн до момента окончани усадки плотность тока устанавливают не нике 0,1 мЛ/смЗ -а напр жение в пределах от 0,05 в/см до потенциала разложени воды в высушиваеншх издели х. По окончании усадки изделий увеличивают температуру тешюносител , например, до .This is achieved by the fact that during the shrinkage period, an electric current is passed through the product, and the direction of the current is changed through time periods that do not exceed the full polarization period. At the same time, the product is blown with a heat carrier with a temperature not higher than 100 ° C and its relative humidity not less than 30%. During the drying of the products from the bottom until the end of the shrinkage, the current density is set to not nickname 0.1 mL / cm 3 - a voltage ranging from 0.05 V / cm to the water decomposition potential of the dried products. Upon completion of the shrinkage of the products increase the temperature of the dummy, for example, to.
10ten
При воздействии на глинистые частицы посто нного тока пол рность глинистой массы в изделии повышаетс . Кроме того, прохо щение .токаWhen the clay particles are exposed to direct current, the polarity of the clay mass in the product increases. In addition, the passage.
J5 изделие сопровождаетс влени ми электроосмоса и электрофореаа Электроосмос вызывает перемещение воды в изделии от положительного электрода к отрщательному, аJ5 product is accompanied by electroosmosis phenomena and electrophoresis. Electroosmosis causes water to move in the product from the positive electrode to the negative electrode.
20 электрофорез - перемещение частиц20 electrophoresis - moving particles
глинистых минералов от отрицательного пoлJDca к положительному. clay minerals from negative POLJDca to positive.
При перемене направлений тока ослабл етс св зь водных оболочекWhen changing directions of the current weakens the connection of water shells
25 С частщш,ш глины. Перемещение глинистых частщ в противоположных направлени х, в соответствии G переменой направлений, предупреждает зароддение трещин. Сближение и оцепление частиц происходит аа счет повышенной пол рности, Изделие из глины помещают в сушильную камеру, в которой оно обдуваетс воздухом при IOQ С и влагосодержании не менее 30. Одновременно через изделие пропускают посто нный электрический ток с помоць накладных электродов, периодически мен его направление. По окончании процесса усадки ток отключают, а температуру вЬздуха повышают и досушивают изделие до требуемой влажности. Предмет изобретени I, Способ сушки изделий из ГЛИН путем, цропуекани через них посто нного .электрического тока, отличающийс тем,что,с целью интенсификацией процесса и и,с.ключеш1 .:., образовани трещин, в период усадки измен ют направление тока через периоды времени, не превышающие полного периода пол ризации,и одновременно издели обдувают теплоносителем с температурой не выше 100 С при относительной его влажности не менее 30, 2,Способ по п. I,отличающийс тем, что плотность тока устанавли- i вают не ниже 0,1 ма/см, а напр жение в пределах от 0,05 в/см до потенциала разложени воды в высушиваегдах издели х. 3.Способ по ПП.1 и 2, отличающийс тем, что после окончани усадки температуру теплоносител увеличивают, например, до .25 C part, w clay. Moving clay parts in opposite directions, in accordance with G changing directions, prevents the nucleation of cracks. The particles come together and are cordoned off with increased polarity. The clay product is placed in a drying chamber in which it is blown with air at IOQ C and a moisture content of at least 30. At the same time, a constant electric current is passed through the product with overhead electrodes, periodically changing its direction . At the end of the shrinking process, the current is turned off, and the temperature of the air is increased and the product is dried to the required humidity. The subject of the invention is I, a method of drying products from GLINE, by flowing a constant electric current through them, characterized in that, in order to intensify the process and, after a shrinkage period, the cracks change the direction of the current through periods of time not exceeding the full polarization period, and at the same time the products are blown with a coolant with a temperature not higher than 100 ° C with a relative humidity of at least 30, 2, the method according to claim I, characterized in that the current density is set to not less than 0 , 1 ma / cm, and the voltage within from 0.05 V / cm to the decomposition potential of water in dried products. 3. Method according to Claims 1 and 2, characterized in that after termination of the shrinkage, the temperature of the heat transfer medium is increased, for example, to.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1684193A SU433325A1 (en) | 1971-07-16 | 1971-07-16 | METHOD OF SHIPTING. TILES FROM TIRES " |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1684193A SU433325A1 (en) | 1971-07-16 | 1971-07-16 | METHOD OF SHIPTING. TILES FROM TIRES " |
Publications (1)
Publication Number | Publication Date |
---|---|
SU433325A1 true SU433325A1 (en) | 1974-06-25 |
Family
ID=20483828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1684193A SU433325A1 (en) | 1971-07-16 | 1971-07-16 | METHOD OF SHIPTING. TILES FROM TIRES " |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU433325A1 (en) |
-
1971
- 1971-07-16 SU SU1684193A patent/SU433325A1/en active
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